#include <GLUT/glut.h>
#include <pthread.h>
#include <stdio.h>

int *g_argc;
char **g_argv;

void display(void){
	glClear(GL_COLOR_BUFFER_BIT);
	
	glColor3f(1.0, 1.0, 1.0);
	glBegin(GL_POLYGON);
		glVertex3f(0.25, 0.25, 0.0);
		glVertex3f(0.75, 0.25, 0.0);
		glVertex3f(0.75, 0.75, 0.0);
		glVertex3f(0.25, 0.75, 0.0);						
	glEnd();
	
	glFlush();
}

void init(void){
	glClearColor(0.0, 0.0, 0.0, 0.0);
	
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
}

void *g_main(void *arg){
	int i;

	printf("Argc: %dn", *g_argc);
	for(i=0; i<*g_argc; i++)
		printf("Argv[%d]: %sn", i, g_argv[i]);
		
	glutInit(g_argc, g_argv);
	glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
	glutInitWindowSize(250, 250);
	glutInitWindowPosition(100, 100);
	glutCreateWindow("Hello, world");
	init();
	glutDisplayFunc(display);
	glutMainLoop();
	return NULL;
}

int main(int argc, char **argv){
	
	g_argc = &argc; g_argv = argv;
	pthread_t thread;
	pthread_create(&thread, NULL, &g_main, NULL);
//	g_main(NULL);		

	char c;
	printf("Will exit if you enter a charn");	scanf("%c", &c);
}